Hyundai Tucson: Hands Free System / Hands Free Switch Repair procedures

Inspection
1.
Check the handsfree remote control switch for resistance between No.4 and No.5 terminals in each switch position.
[Call + Hang Up]

[Voice]

[Call + Hang Up]
Switch
Connector terminal
Resistance (±5%)
Output voltage (±0.16V)
Call
4-5 (Left)
40.91 kx
2.96V
Hang up
4-5 (Left)
18.91 kx
2.64V

[Voice]
Switch
Connector terminal
Resistance (±5%)
Output voltage (±0.22V)
Voice
4-5 (Right)
10.71 kx
2.29V

Removal
1.
Remove the driver airbag module.
(Refer to the RT group - "Airbag module")
2.
Remove the steering wheel.
(Refer to the ST group - "Steering column and shaft")
3.
Remove the steering wheel rear cover (A) after loosening the screws.

4.
Remove the handsfree remote switch (A) after loosening the screws.

Installation
1.
Install the handsfree remote switch to the steering wheel bezel.
2.
Install the steering wheel and bezel.
3.
Reconnect the handsfree remote control switch connector and airbag connectors.
   
Make sure that the switch connector is plugged in properly.
4.
Install the driver airbag module.
Hands Free Switch Components and Components Location
Component Location ...

Hands Free Mic Repair procedures
Inspection 1. Disconnect the negative(-) battery terminal. 2. Remove the roof trim. (Refer to the BD group - "Roof trim") 3. Remove the hands free mic (A) after loosening the connector an ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Description and Operation
Cruise Control The cruise control system is engaged by the cruise "ON/OFF" main switch located on right of steering wheel column. The system has the capability to cruise, coast, accelerate and resume speed. It also has a safety interrupt, engaged upon depressing brake or shifting select leve ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Transaxle Control Module (TCM) Schematic Diagrams
1. TCM Connector and Terminal Function 2. TCM Terminal Function Connector [A] PinDescriptionPinDescription1-54-2-55-3-56-4-57-5-58Sport mode down switch6-59Oil temperature sensor (+)7-60-8-61-9-62-10-63-11-64-12-65-13-66-14-67-15-68-16-69-17-70-18-71-19-72-20-73Inhibitor switch signal "S4"21-74 ...

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